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Finding the Fourth Proportional to 194,599.60, 291,373.57 and 100,908.52

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Solution

The fourth proportional to 194,599.60, 291,373.57 and 100,908.52 is: 151,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,599.60 : 291,373.57 = 100,908.52 : x
  2. Step 2: Convert to fraction form
    194,599.60/291,373.57 = 100,908.52/x
  3. Step 3: Cross multiply
    194,599.60x = 291,373.57 × 100,908.52
  4. Step 4: Simplify right side
    194,599.60x = 29,402,075,113.52
  5. Step 5: Solve for x
    x = 29,402,075,113.52/194,599.60
  6. Step 6: Final answer
    x = 151,090.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.